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How easy is this to do as a beginner (2010 VW Sharan NOX sensor replacement)?

  • 21-07-2020 5:52pm
    #1
    LeperKing
    Registered Users, Registered Users 2 Posts: 452 ✭✭


    Hi Folks,

    I got an OBD2 scanner after filling adblue and not being able to clear the top up by 900KM warnings on the dash.

    I'm getting P229F and P20EE error codes, and I've found this youtube link that goes through the sensor replacement.

    My question is this too ambitious for a beginner? The most complicated thing I've done is an AC blower motor replacement. I've never gone near the underside of the car or done a service. Do you need special equipment to raise the car before attempting this type of work?

    Thanks,
    LK.


Comments

  • #2
    Pops_20
    Registered Users, Registered Users 2 Posts: 720 ✭✭✭Pops_20


    I've had a look at the youtube video. As jobs go it looks pretty straightforward, but if you've never been near the underside of the car then it might be a bit of a step too far for a beginner.

    You'll need a good floor jack and at least 2 axle stands to raise the car and support it safely. You might need to raise it on 4 axle stands depending on how tight access is around that section of the exhaust.

    If you get this far, the biggest problem you will have is removing the NOX sensor. These sensors are usually quite seized in the exhaust and require lots of leverage or heat to remove them. It looks like a typical O2 sensor socket won't fit up there according to the video. This means you will have to use an open ended wrench, which tends to slip off and can round off the sensor.

    If you're feeling confident then go for it. It would be a good way to start working on your own car before starting oil changes etc. But just prepare to be beaten if the sensor is seized.


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